Letter | Published:

Combustion Pressures in Spark-Ignition Engines

Nature volume 142, pages 798799 (29 October 1938) | Download Citation



IT has come to the notice of investigators interested in combustion and detonation in spark-ignition engines that the combustion pressures may attain values which, even when no heat losses are considered, appeared to surpass those found by calculation, making use of the normally accepted data for such processes. The inadequacy of pressure indicating apparatus, especially when measurements were made under conditions of incipient or even persistent detonation, has for long prevented adequate attention being paid to this phenomenon.

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  1. 1.

    , Z. phys. Chem., B, 19, 536 (1932). , and , J. Chem. Phys., Feb. 1935; see also discussion on paper by Rassweiler-Withrow, SAE. Journal, April 1935.

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  1. N.V. De Bataafsche Petroleum Maatschappij, Proefstation “Delft”, Delft. Sept. 15.

    • J. J. BROEZE
    • , H. VAN DRIEL
    • , L. A. PELETIER
    •  & G. BROERSMA


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